A study of some economic traits in a herd of Kenana cattle (North Sudan Zebu). II. Age at first calving and effects of improved nutrition on body development and sexual maturity
The work reported in this paper was initiated to estimate the age at first calving in herd of Kenana cattle with particular reference to the influence of year and season of the birth on age of heifers at calving. It included a feeding trail to elucidate the effects of improved nutrition on body deve...
| Main Authors: | , , , |
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| Format: | Journal Article |
| Language: | Inglés |
| Published: |
Wiley
1979
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| Subjects: | |
| Online Access: | https://hdl.handle.net/10568/66855 |
| _version_ | 1855535991562960896 |
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| author | El-Khidir, O.A. Khalifa, H.A.A. Khalafallah, A.M. Gaili, E.S.E. |
| author_browse | El-Khidir, O.A. Gaili, E.S.E. Khalafallah, A.M. Khalifa, H.A.A. |
| author_facet | El-Khidir, O.A. Khalifa, H.A.A. Khalafallah, A.M. Gaili, E.S.E. |
| author_sort | El-Khidir, O.A. |
| collection | Repository of Agricultural Research Outputs (CGSpace) |
| description | The work reported in this paper was initiated to estimate the age at first calving in herd of Kenana cattle with particular reference to the influence of year and season of the birth on age of heifers at calving. It included a feeding trail to elucidate the effects of improved nutrition on body development and sexual maturity of Kenana heifers. The mean age at first calving was found to be 45.2±7.6 months. The study revealed significant (p |
| format | Journal Article |
| id | CGSpace66855 |
| institution | CGIAR Consortium |
| language | Inglés |
| publishDate | 1979 |
| publishDateRange | 1979 |
| publishDateSort | 1979 |
| publisher | Wiley |
| publisherStr | Wiley |
| record_format | dspace |
| spelling | CGSpace668552024-05-01T08:19:02Z A study of some economic traits in a herd of Kenana cattle (North Sudan Zebu). II. Age at first calving and effects of improved nutrition on body development and sexual maturity El-Khidir, O.A. Khalifa, H.A.A. Khalafallah, A.M. Gaili, E.S.E. cattle age parturition animal performance heritability animal nutrition heifers seasons The work reported in this paper was initiated to estimate the age at first calving in herd of Kenana cattle with particular reference to the influence of year and season of the birth on age of heifers at calving. It included a feeding trail to elucidate the effects of improved nutrition on body development and sexual maturity of Kenana heifers. The mean age at first calving was found to be 45.2±7.6 months. The study revealed significant (p 1979-01-12 2015-06-05T12:18:02Z 2015-06-05T12:18:02Z Journal Article https://hdl.handle.net/10568/66855 en Limited Access Wiley El-Khidir, O.A., Khalifa, H.A.A., Khalafallah, A.M. and Gaili, E.S.E. 1979. A study of some economic traits in a herd of Kenana cattle (North Sudan Zebu). II. Age at first calving and effects of improved nutrition on body development and sexual maturity. Journal of Animal Breeding and Genetics 96(2-3): 210-220. |
| spellingShingle | cattle age parturition animal performance heritability animal nutrition heifers seasons El-Khidir, O.A. Khalifa, H.A.A. Khalafallah, A.M. Gaili, E.S.E. A study of some economic traits in a herd of Kenana cattle (North Sudan Zebu). II. Age at first calving and effects of improved nutrition on body development and sexual maturity |
| title | A study of some economic traits in a herd of Kenana cattle (North Sudan Zebu). II. Age at first calving and effects of improved nutrition on body development and sexual maturity |
| title_full | A study of some economic traits in a herd of Kenana cattle (North Sudan Zebu). II. Age at first calving and effects of improved nutrition on body development and sexual maturity |
| title_fullStr | A study of some economic traits in a herd of Kenana cattle (North Sudan Zebu). II. Age at first calving and effects of improved nutrition on body development and sexual maturity |
| title_full_unstemmed | A study of some economic traits in a herd of Kenana cattle (North Sudan Zebu). II. Age at first calving and effects of improved nutrition on body development and sexual maturity |
| title_short | A study of some economic traits in a herd of Kenana cattle (North Sudan Zebu). II. Age at first calving and effects of improved nutrition on body development and sexual maturity |
| title_sort | study of some economic traits in a herd of kenana cattle north sudan zebu ii age at first calving and effects of improved nutrition on body development and sexual maturity |
| topic | cattle age parturition animal performance heritability animal nutrition heifers seasons |
| url | https://hdl.handle.net/10568/66855 |
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